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https://github.com/brain-hackers/u-boot-brain
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ARM: dts: stm32mp1: add pull-up on serial rx of console connected to STLINK
Avoid U-Boot auto-boot interruption for line break detection on console when the RX line connected to STLINK is floating (-IO error in getc cause by framing error and testc return 1) Same workaround is applied on all the STMicroelectonics board. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
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@ -189,6 +189,8 @@
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};
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};
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pins2 {
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pins2 {
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u-boot,dm-pre-reloc;
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u-boot,dm-pre-reloc;
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/* pull-up on rx to avoid floating level */
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bias-pull-up;
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};
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};
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};
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};
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@ -206,5 +206,7 @@
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};
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};
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pins2 {
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pins2 {
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u-boot,dm-pre-reloc;
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u-boot,dm-pre-reloc;
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/* pull-up on rx to avoid floating level */
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bias-pull-up;
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};
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};
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};
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};
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